Colorful print spread advertising cellulosic plastic compounds manufactured and sold by Hercules Powder Company. The advertisement specifically features the compounds cellulose acetate, cellulose nitrate, and ethyl cellulose, claiming them as "the most useful of all plastics." The advertisement highlights key qualities of the plastics, such as their strength, stability, and transparency, with an image and brief description. The back cover displays images of available Hercules Powder Company informational booklets on different plastic molding compounds.

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified its business to encompass a variety of industrial products, including pine and paper chemicals, synthetics, pigments, polymers, and cellulose.